package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 保存
     *
     * @param category 类别
     * @return {@link R}<{@link String}>
     */
    @PostMapping
    //新增分类
    public R<String> save(@RequestBody Category category) {
        log.info("category:{}", category);
        System.out.println("category = " + category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 页面
     *
     * @param page     页面
     * @param pageSize 页面大小
     * @return {@link R}<{@link Page}>
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo, lqw);
        return R.success(pageInfo);
    }

    /**
     * 删除
     *
     * @param id id
     * @return {@link R}<{@link String}>
     */
    @DeleteMapping
    public R<String> delete(Long id) {

        log.info("删除分类，id为：{}", id);

        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 更新
     *
     * @param category 类别
     * @return {@link R}<{@link String}>
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息：{}", category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }
    //菜品分类下拉框
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
